484 lines
14 KiB
PHP
484 lines
14 KiB
PHP
<?php
|
|
declare(strict_types=1);
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @copyright Copyright (c) 2019, Georg Ehrke
|
|
*
|
|
* @author Achim Königs <garfonso@tratschtante.de>
|
|
* @author Georg Ehrke <oc.list@georgehrke.com>
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
*
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\DAV\CalDAV;
|
|
|
|
use Exception;
|
|
use OCA\DAV\CardDAV\CardDavBackend;
|
|
use OCA\DAV\DAV\GroupPrincipalBackend;
|
|
use OCP\IConfig;
|
|
use OCP\IDBConnection;
|
|
use OCP\IL10N;
|
|
use Sabre\VObject\Component\VCalendar;
|
|
use Sabre\VObject\Component\VCard;
|
|
use Sabre\VObject\DateTimeParser;
|
|
use Sabre\VObject\Document;
|
|
use Sabre\VObject\InvalidDataException;
|
|
use Sabre\VObject\Property\VCard\DateAndOrTime;
|
|
use Sabre\VObject\Reader;
|
|
|
|
/**
|
|
* Class BirthdayService
|
|
*
|
|
* @package OCA\DAV\CalDAV
|
|
*/
|
|
class BirthdayService {
|
|
|
|
const BIRTHDAY_CALENDAR_URI = 'contact_birthdays';
|
|
|
|
/** @var GroupPrincipalBackend */
|
|
private $principalBackend;
|
|
|
|
/** @var CalDavBackend */
|
|
private $calDavBackEnd;
|
|
|
|
/** @var CardDavBackend */
|
|
private $cardDavBackEnd;
|
|
|
|
/** @var IConfig */
|
|
private $config;
|
|
|
|
/** @var IDBConnection */
|
|
private $dbConnection;
|
|
|
|
/** @var IL10N */
|
|
private $l10n;
|
|
|
|
/**
|
|
* BirthdayService constructor.
|
|
*
|
|
* @param CalDavBackend $calDavBackEnd
|
|
* @param CardDavBackend $cardDavBackEnd
|
|
* @param GroupPrincipalBackend $principalBackend
|
|
* @param IConfig $config
|
|
* @param IDBConnection $dbConnection
|
|
* @param IL10N $l10n
|
|
*/
|
|
public function __construct(CalDavBackend $calDavBackEnd,
|
|
CardDavBackend $cardDavBackEnd,
|
|
GroupPrincipalBackend $principalBackend,
|
|
IConfig $config,
|
|
IDBConnection $dbConnection,
|
|
IL10N $l10n) {
|
|
$this->calDavBackEnd = $calDavBackEnd;
|
|
$this->cardDavBackEnd = $cardDavBackEnd;
|
|
$this->principalBackend = $principalBackend;
|
|
$this->config = $config;
|
|
$this->dbConnection = $dbConnection;
|
|
$this->l10n = $l10n;
|
|
}
|
|
|
|
/**
|
|
* @param int $addressBookId
|
|
* @param string $cardUri
|
|
* @param string $cardData
|
|
*/
|
|
public function onCardChanged(int $addressBookId,
|
|
string $cardUri,
|
|
string $cardData) {
|
|
if (!$this->isGloballyEnabled()) {
|
|
return;
|
|
}
|
|
|
|
$targetPrincipals = $this->getAllAffectedPrincipals($addressBookId);
|
|
$book = $this->cardDavBackEnd->getAddressBookById($addressBookId);
|
|
$targetPrincipals[] = $book['principaluri'];
|
|
$datesToSync = [
|
|
['postfix' => '', 'field' => 'BDAY'],
|
|
['postfix' => '-death', 'field' => 'DEATHDATE'],
|
|
['postfix' => '-anniversary', 'field' => 'ANNIVERSARY'],
|
|
];
|
|
|
|
foreach ($targetPrincipals as $principalUri) {
|
|
if (!$this->isUserEnabled($principalUri)) {
|
|
continue;
|
|
}
|
|
|
|
$calendar = $this->ensureCalendarExists($principalUri);
|
|
foreach ($datesToSync as $type) {
|
|
$this->updateCalendar($cardUri, $cardData, $book, (int) $calendar['id'], $type);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param int $addressBookId
|
|
* @param string $cardUri
|
|
*/
|
|
public function onCardDeleted(int $addressBookId,
|
|
string $cardUri) {
|
|
if (!$this->isGloballyEnabled()) {
|
|
return;
|
|
}
|
|
|
|
$targetPrincipals = $this->getAllAffectedPrincipals($addressBookId);
|
|
$book = $this->cardDavBackEnd->getAddressBookById($addressBookId);
|
|
$targetPrincipals[] = $book['principaluri'];
|
|
foreach ($targetPrincipals as $principalUri) {
|
|
if (!$this->isUserEnabled($principalUri)) {
|
|
continue;
|
|
}
|
|
|
|
$calendar = $this->ensureCalendarExists($principalUri);
|
|
foreach (['', '-death', '-anniversary'] as $tag) {
|
|
$objectUri = $book['uri'] . '-' . $cardUri . $tag .'.ics';
|
|
$this->calDavBackEnd->deleteCalendarObject($calendar['id'], $objectUri);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $principal
|
|
* @return array|null
|
|
* @throws \Sabre\DAV\Exception\BadRequest
|
|
*/
|
|
public function ensureCalendarExists(string $principal):?array {
|
|
$calendar = $this->calDavBackEnd->getCalendarByUri($principal, self::BIRTHDAY_CALENDAR_URI);
|
|
if (!is_null($calendar)) {
|
|
return $calendar;
|
|
}
|
|
$this->calDavBackEnd->createCalendar($principal, self::BIRTHDAY_CALENDAR_URI, [
|
|
'{DAV:}displayname' => 'Contact birthdays',
|
|
'{http://apple.com/ns/ical/}calendar-color' => '#FFFFCA',
|
|
'components' => 'VEVENT',
|
|
]);
|
|
|
|
return $this->calDavBackEnd->getCalendarByUri($principal, self::BIRTHDAY_CALENDAR_URI);
|
|
}
|
|
|
|
/**
|
|
* @param $cardData
|
|
* @param $dateField
|
|
* @param $postfix
|
|
* @return VCalendar|null
|
|
* @throws InvalidDataException
|
|
*/
|
|
public function buildDateFromContact(string $cardData,
|
|
string $dateField,
|
|
string $postfix):?VCalendar {
|
|
if (empty($cardData)) {
|
|
return null;
|
|
}
|
|
try {
|
|
$doc = Reader::read($cardData);
|
|
// We're always converting to vCard 4.0 so we can rely on the
|
|
// VCardConverter handling the X-APPLE-OMIT-YEAR property for us.
|
|
if (!$doc instanceof VCard) {
|
|
return null;
|
|
}
|
|
$doc = $doc->convert(Document::VCARD40);
|
|
} catch (Exception $e) {
|
|
return null;
|
|
}
|
|
|
|
if (!isset($doc->{$dateField})) {
|
|
return null;
|
|
}
|
|
if (!isset($doc->FN)) {
|
|
return null;
|
|
}
|
|
$birthday = $doc->{$dateField};
|
|
if (!(string)$birthday) {
|
|
return null;
|
|
}
|
|
// Skip if the BDAY property is not of the right type.
|
|
if (!$birthday instanceof DateAndOrTime) {
|
|
return null;
|
|
}
|
|
|
|
// Skip if we can't parse the BDAY value.
|
|
try {
|
|
$dateParts = DateTimeParser::parseVCardDateTime($birthday->getValue());
|
|
} catch (InvalidDataException $e) {
|
|
return null;
|
|
}
|
|
|
|
$unknownYear = false;
|
|
$originalYear = null;
|
|
if (!$dateParts['year']) {
|
|
$birthday = '1970-' . $dateParts['month'] . '-' . $dateParts['date'];
|
|
|
|
$unknownYear = true;
|
|
} else {
|
|
$parameters = $birthday->parameters();
|
|
if (isset($parameters['X-APPLE-OMIT-YEAR'])) {
|
|
$omitYear = $parameters['X-APPLE-OMIT-YEAR'];
|
|
if ($dateParts['year'] === $omitYear) {
|
|
$birthday = '1970-' . $dateParts['month'] . '-' . $dateParts['date'];
|
|
$unknownYear = true;
|
|
}
|
|
} else {
|
|
$originalYear = (int)$dateParts['year'];
|
|
|
|
if ($originalYear < 1970) {
|
|
$birthday = '1970-' . $dateParts['month'] . '-' . $dateParts['date'];
|
|
}
|
|
}
|
|
}
|
|
|
|
try {
|
|
if ($birthday instanceof DateAndOrTime) {
|
|
$date = $birthday->getDateTime();
|
|
} else {
|
|
$date = new \DateTimeImmutable($birthday);
|
|
}
|
|
} catch (Exception $e) {
|
|
return null;
|
|
}
|
|
|
|
$summary = $this->formatTitle($dateField, $doc->FN->getValue(), $originalYear, $this->dbConnection->supports4ByteText());
|
|
|
|
$vCal = new VCalendar();
|
|
$vCal->VERSION = '2.0';
|
|
$vEvent = $vCal->createComponent('VEVENT');
|
|
$vEvent->add('DTSTART');
|
|
$vEvent->DTSTART->setDateTime(
|
|
$date
|
|
);
|
|
$vEvent->DTSTART['VALUE'] = 'DATE';
|
|
$vEvent->add('DTEND');
|
|
|
|
$dtEndDate = (new \DateTime())->setTimestamp($date->getTimeStamp());
|
|
$dtEndDate->add(new \DateInterval('P1D'));
|
|
$vEvent->DTEND->setDateTime(
|
|
$dtEndDate
|
|
);
|
|
|
|
$vEvent->DTEND['VALUE'] = 'DATE';
|
|
$vEvent->{'UID'} = $doc->UID . $postfix;
|
|
$vEvent->{'RRULE'} = 'FREQ=YEARLY';
|
|
$vEvent->{'SUMMARY'} = $summary;
|
|
$vEvent->{'TRANSP'} = 'TRANSPARENT';
|
|
$vEvent->{'X-NEXTCLOUD-BC-FIELD-TYPE'} = $dateField;
|
|
$vEvent->{'X-NEXTCLOUD-BC-UNKNOWN-YEAR'} = $unknownYear ? '1' : '0';
|
|
if ($originalYear !== null) {
|
|
$vEvent->{'X-NEXTCLOUD-BC-YEAR'} = (string) $originalYear;
|
|
}
|
|
$alarm = $vCal->createComponent('VALARM');
|
|
$alarm->add($vCal->createProperty('TRIGGER', '-PT0M', ['VALUE' => 'DURATION']));
|
|
$alarm->add($vCal->createProperty('ACTION', 'DISPLAY'));
|
|
$alarm->add($vCal->createProperty('DESCRIPTION', $vEvent->{'SUMMARY'}));
|
|
$vEvent->add($alarm);
|
|
$vCal->add($vEvent);
|
|
return $vCal;
|
|
}
|
|
|
|
/**
|
|
* @param string $user
|
|
*/
|
|
public function resetForUser(string $user):void {
|
|
$principal = 'principals/users/'.$user;
|
|
$calendar = $this->calDavBackEnd->getCalendarByUri($principal, self::BIRTHDAY_CALENDAR_URI);
|
|
$calendarObjects = $this->calDavBackEnd->getCalendarObjects($calendar['id'], CalDavBackend::CALENDAR_TYPE_CALENDAR);
|
|
|
|
foreach($calendarObjects as $calendarObject) {
|
|
$this->calDavBackEnd->deleteCalendarObject($calendar['id'], $calendarObject['uri'], CalDavBackend::CALENDAR_TYPE_CALENDAR);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $user
|
|
* @throws \Sabre\DAV\Exception\BadRequest
|
|
*/
|
|
public function syncUser(string $user):void {
|
|
$principal = 'principals/users/'.$user;
|
|
$this->ensureCalendarExists($principal);
|
|
$books = $this->cardDavBackEnd->getAddressBooksForUser($principal);
|
|
foreach($books as $book) {
|
|
$cards = $this->cardDavBackEnd->getCards($book['id']);
|
|
foreach($cards as $card) {
|
|
$this->onCardChanged((int) $book['id'], $card['uri'], $card['carddata']);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $existingCalendarData
|
|
* @param VCalendar $newCalendarData
|
|
* @return bool
|
|
*/
|
|
public function birthdayEvenChanged(string $existingCalendarData,
|
|
VCalendar $newCalendarData):bool {
|
|
try {
|
|
$existingBirthday = Reader::read($existingCalendarData);
|
|
} catch (Exception $ex) {
|
|
return true;
|
|
}
|
|
|
|
return (
|
|
$newCalendarData->VEVENT->DTSTART->getValue() !== $existingBirthday->VEVENT->DTSTART->getValue() ||
|
|
$newCalendarData->VEVENT->SUMMARY->getValue() !== $existingBirthday->VEVENT->SUMMARY->getValue()
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param integer $addressBookId
|
|
* @return mixed
|
|
*/
|
|
protected function getAllAffectedPrincipals(int $addressBookId) {
|
|
$targetPrincipals = [];
|
|
$shares = $this->cardDavBackEnd->getShares($addressBookId);
|
|
foreach ($shares as $share) {
|
|
if ($share['{http://owncloud.org/ns}group-share']) {
|
|
$users = $this->principalBackend->getGroupMemberSet($share['{http://owncloud.org/ns}principal']);
|
|
foreach ($users as $user) {
|
|
$targetPrincipals[] = $user['uri'];
|
|
}
|
|
} else {
|
|
$targetPrincipals[] = $share['{http://owncloud.org/ns}principal'];
|
|
}
|
|
}
|
|
return array_values(array_unique($targetPrincipals, SORT_STRING));
|
|
}
|
|
|
|
/**
|
|
* @param string $cardUri
|
|
* @param string $cardData
|
|
* @param array $book
|
|
* @param int $calendarId
|
|
* @param array $type
|
|
* @throws InvalidDataException
|
|
* @throws \Sabre\DAV\Exception\BadRequest
|
|
*/
|
|
private function updateCalendar(string $cardUri,
|
|
string $cardData,
|
|
array $book,
|
|
int $calendarId,
|
|
array $type):void {
|
|
$objectUri = $book['uri'] . '-' . $cardUri . $type['postfix'] . '.ics';
|
|
$calendarData = $this->buildDateFromContact($cardData, $type['field'], $type['postfix']);
|
|
$existing = $this->calDavBackEnd->getCalendarObject($calendarId, $objectUri);
|
|
if (is_null($calendarData)) {
|
|
if (!is_null($existing)) {
|
|
$this->calDavBackEnd->deleteCalendarObject($calendarId, $objectUri);
|
|
}
|
|
} else {
|
|
if (is_null($existing)) {
|
|
$this->calDavBackEnd->createCalendarObject($calendarId, $objectUri, $calendarData->serialize());
|
|
} else {
|
|
if ($this->birthdayEvenChanged($existing['calendardata'], $calendarData)) {
|
|
$this->calDavBackEnd->updateCalendarObject($calendarId, $objectUri, $calendarData->serialize());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* checks if the admin opted-out of birthday calendars
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function isGloballyEnabled():bool {
|
|
return $this->config->getAppValue('dav', 'generateBirthdayCalendar', 'yes') === 'yes';
|
|
}
|
|
|
|
/**
|
|
* Checks if the user opted-out of birthday calendars
|
|
*
|
|
* @param string $userPrincipal The user principal to check for
|
|
* @return bool
|
|
*/
|
|
private function isUserEnabled(string $userPrincipal):bool {
|
|
if (strpos($userPrincipal, 'principals/users/') === 0) {
|
|
$userId = substr($userPrincipal, 17);
|
|
$isEnabled = $this->config->getUserValue($userId, 'dav', 'generateBirthdayCalendar', 'yes');
|
|
return $isEnabled === 'yes';
|
|
}
|
|
|
|
// not sure how we got here, just be on the safe side and return true
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Formats title of Birthday event
|
|
*
|
|
* @param string $field Field name like BDAY, ANNIVERSARY, ...
|
|
* @param string $name Name of contact
|
|
* @param int|null $year Year of birth, anniversary, ...
|
|
* @param bool $supports4Byte Whether or not the database supports 4 byte chars
|
|
* @return string The formatted title
|
|
*/
|
|
private function formatTitle(string $field,
|
|
string $name,
|
|
int $year=null,
|
|
bool $supports4Byte=true):string {
|
|
if ($supports4Byte) {
|
|
switch ($field) {
|
|
case 'BDAY':
|
|
return implode('', [
|
|
'🎂 ',
|
|
$name,
|
|
$year ? (' (' . $year . ')') : '',
|
|
]);
|
|
|
|
case 'DEATHDATE':
|
|
return implode('', [
|
|
$this->l10n->t('Death of %s', [$name]),
|
|
$year ? (' (' . $year . ')') : '',
|
|
]);
|
|
|
|
case 'ANNIVERSARY':
|
|
return implode('', [
|
|
'💍 ',
|
|
$name,
|
|
$year ? (' (' . $year . ')') : '',
|
|
]);
|
|
|
|
default:
|
|
return '';
|
|
}
|
|
} else {
|
|
switch($field) {
|
|
case 'BDAY':
|
|
return implode('', [
|
|
$name,
|
|
' ',
|
|
$year ? ('(*' . $year . ')') : '*',
|
|
]);
|
|
|
|
case 'DEATHDATE':
|
|
return implode('', [
|
|
$this->l10n->t('Death of %s', [$name]),
|
|
$year ? (' (' . $year . ')') : '',
|
|
]);
|
|
|
|
case 'ANNIVERSARY':
|
|
return implode('', [
|
|
$name,
|
|
' ',
|
|
$year ? ('(⚭' . $year . ')') : '⚭',
|
|
]);
|
|
|
|
default:
|
|
return '';
|
|
}
|
|
}
|
|
}
|
|
}
|